C. D. SOAR ON TWO NEW BRITISH WATER-MITES. 



107 



after Mr. Scourfield, who was with me at the time that the 

 specimen was obtained, and who has been of very great assistance 

 to me in my study of the Hydrachnidae. 



3Iideopsis crassipes, n. sp. 

 Fig. 2. 

 In 1900 Mr. Taverner, while collecting in the New River, took 



Fig. 2. 



several specimens of J/ideopsis, which he put on one side think- 

 ing they were all of the same species. On looking over them again 

 this year, Mr. Taverner noticed that two were quite different 

 from the others. These he forwarded to me for examination. 

 I found they were not Jlideopsis orbicularis, Miiller, which until 

 now was the only species known of this genus, but a new species 



